Galactic Center by NASA Great Observatories Medium:Canvas among them the most massive

among them the most massive stars detected in the universe so far

from horizon to horizon

Gamma rays are usually emitted by rotating black holes and neutron stars

that was constructed in 1943 at Castle Bromwich UK

we had to sharply increase the integration time per panel

Galactic Center by NASA Great Observatories Medium:Canvas among them the most massiveIn 2009 to celebrate the International Year of Astronomy. NASA's Great Observatories the Hubble Space Telescope, the Spitzer Space Telescope, and the Chandra X ray Observatory have collaborated to produce an unprecedented image of the central region of our Milky Way galaxy. The spectacular composite image combines observations using infrared light and X ray light that see through the obscuring dust and reveal the intense activity near the galactic